HDFS JAVA Hadoop API Overview




Hadoop API Introduction Hadoop API provides a Java native API to support file system operations such as create, rename or delete files and directories, open, read or write files, set permissions, etc. A very basic example can be found on Apache wiki about how to read and write files from Hadoop API. This is great for applications running within the […]

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Apache Hadoop Yarn Overview




Here we describe Apache Hadoop Yarn, which is a resource manager built into Hadoop. But it also is a stand-alone programming framework that other applications can use to run those applications across a distributed architecture. We illustrate Yarn by setting up a Hadoop cluster as Yarn by itself is not much to see. It is not something you work with […]

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Oveview of hadoop cassandra




Overview of Hadoop Cassandra hadoop Cassandra is a noSQL opensource database.It was developed by Facebook to handle their unique needs to process enormous amounts of data. To say that it is noSQL does not mean it is unstructured. Data in hadoop Cassandra is stored in the familiar row-and-column datasets as a regular SQL database. But there are no relations between […]

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Oveview of cassandra hadoop




Overview of Cassandra Hadoop Cassandra Hadoop is a noSQL opensource database.It was developed by Facebook to handle their unique needs to process enormous amounts of data. To say that it is noSQL does not mean it is unstructured. Data in Cassandra hadoop is stored in the familiar row-and-column datasets as a regular SQL database. But there are no relations between […]

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